Display screen with a graphical user interface



The FIGURE is a front view of a display screen with a graphical user interface showing my new design.

The features shown in broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. The dashed-dotted lines denote the boundary of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 